There are usually 28 in a person’s mouth, so we should listen to the doctor’s ______ to protect(保护)them.
A.tooth, advice | B.teeth, advice | C.toothes, advices | D.teethes, advices |
There are usually 28 in a person’s mouth, so we should listen to the doctor’s ______ to protect(保护)them.
A.tooth, advice | B.teeth, advice | C.toothes, advices | D.teethes, advices |